<!doctype html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>数组对象</title>
	<script type="text/javascript">

		// arr = new Array();
		// arr[1]=90;
		arr = [45,4,4,545];

		// document.write(arr.length);
		// x = arr.push(90,78,7);
		// 
		// x = arr.unshift(88,999);
		// 
		// x = arr.pop();
		
		// x = arr.shift();
		// 
		arr = [45,4,4,545,45,3,3,8,3];

		arr1 = [09,6,56];

		// x = arr.splice(1,2,90,10,100);
		// 
		// x = arr.slice(1, 6);
		// x = arr.join('*');
		x = arr.concat(arr1);


		document.write(x);
		document.write("<br>");
		document.write(arr);



		arr = [56,3,3,47,2,2,2,56,78,235];


		function qc (oldArr) {
			
		}
		qc(arr);


		arr = [45,3,72,9,3,568];


		function px (oldArr) {
			
		}

		px(arr);




	</script>
</head>
<body>
	
</body>
</html>